238851849 has 16 divisors (see below), whose sum is σ = 332928000. Its totient is φ = 152030736.

The previous prime is 238851797. The next prime is 238851857. The reversal of 238851849 is 948158832.

238851849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 238851849 - 2⁷ = 238851721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238851798 and 238851807.

It is not an unprimeable number, because it can be changed into a prime (238851749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38442 + ... + 44220.

It is an arithmetic number, because the mean of its divisors is an integer number (20808000).

Almost surely, 2^238851849 is an apocalyptic number.

It is an amenable number.

238851849 is a deficient number, since it is larger than the sum of its proper divisors (94076151).

238851849 is a wasteful number, since it uses less digits than its factorization.

238851849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404.

The product of its digits is 552960, while the sum is 48.

The square root of 238851849 is about 15454.8325451944. The cubic root of 238851849 is about 620.4539244349.

The spelling of 238851849 in words is "two hundred thirty-eight million, eight hundred fifty-one thousand, eight hundred forty-nine".